Hi Richard, There are new sparse warnings show up in tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next head: 336c5c310e8f0d5baba7973765339eaf5d989fe1 commit: 77c4400f2f0fd8384ab5cbe41d81ccc664896b2d [100/101] USB: Chipidea: rename struct ci13xxx_udc_driver to struct ci13xxx_platform_data All sparse warnings: + drivers/usb/chipidea/ci13xxx_pci.c:26:30: sparse: symbol 'pci_platdata' was not declared. Should it be static? + drivers/usb/chipidea/ci13xxx_pci.c:31:30: sparse: symbol 'langwell_pci_platdata' was not declared. Should it be static? + drivers/usb/chipidea/ci13xxx_pci.c:36:30: sparse: symbol 'penwell_pci_platdata' was not declared. Should it be static? Please consider folding the attached diff :-) --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu Intel Corporation